Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-West Germanic *mōs

→ English mush (inherited)
→ Old English mos (inherited)
→ German Mus (inherited)
→ Alemannic German Mues (inherited)
→ Icelandic mús (derived)
→ Luxembourgish Mous (inherited)
→ Dutch moes (inherited)